condition mean min max 4 h after light 1242.5867680000001 1159.693595 1325.479941 8 h after light 2082.0815155 1723.028253 2441.134778 12 h after light 2112.7182215 1834.459188 2390.977255 4 h after dark 2989.879801 2235.627482 3744.13212 8 h after dark 2159.7663705 1604.661958 2714.870783 12 h after dark 1463.377633 1463.377633 1463.377633